Thanks for the tip about additional places to look, Tim. I've done a more thorough search through core moodle and didn't find any other references.
Here's the JIRA ticket:
I've attached a patch for 1.9; next I'll take a look at forward-porting it to 2.0.
proposal: new format methods to retrieve format concept and definition strings
This discussion has been locked because a year has elapsed since the last post. Please start a new discussion topic.